Java tutorial
/* * WEKAClassOptionEditComponent.java * Copyright (C) 2009 University of Waikato, Hamilton, New Zealand * @author Richard Kirkby (rkirkby@cs.waikato.ac.nz) * @author FracPete (fracpete at waikato dot ac dot nz) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ package moa.gui; import com.github.javacliparser.gui.OptionEditComponent; import moa.core.Utils; import weka.gui.GenericObjectEditor; import weka.gui.PropertyDialog; import weka.gui.GenericObjectEditor.GOEPanel; import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JPanel; import javax.swing.JTextField; import com.github.javacliparser.Option; import moa.options.WEKAClassOption; /** * An OptionEditComponent that lets the user edit a WEKA class option. * * @author Richard Kirkby (rkirkby@cs.waikato.ac.nz) * @author FracPete (fracpete at waikato dot ac dot nz) * @version $Revision$ */ public class WEKAClassOptionEditComponent extends JPanel implements OptionEditComponent { private static final long serialVersionUID = 1L; protected WEKAClassOption editedOption; protected JTextField textField = new JTextField(); protected JButton editButton = new JButton("Edit"); public WEKAClassOptionEditComponent(Option opt) { WEKAClassOption option = (WEKAClassOption) opt; this.editedOption = option; this.textField.setEditable(false); setLayout(new BorderLayout()); add(this.textField, BorderLayout.CENTER); add(this.editButton, BorderLayout.EAST); this.editButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent arg0) { editObject(); } }); setEditState(this.editedOption.getValueAsCLIString()); } @Override public void applyState() { this.editedOption.setValueViaCLIString(this.textField.getText()); } @Override public Option getEditedOption() { return this.editedOption; } @Override public void setEditState(String cliString) { this.textField.setText(cliString); } public void editObject() { final GenericObjectEditor goe = new GenericObjectEditor(true); goe.setClassType(editedOption.getRequiredType()); try { String[] options = Utils.splitOptions(editedOption.getValueAsCLIString()); String classname = options[0]; options[0] = ""; Object obj = Class.forName(classname).newInstance(); if (obj instanceof weka.core.OptionHandler) { ((weka.core.OptionHandler) obj).setOptions(options); } goe.setValue(obj); ((GOEPanel) goe.getCustomEditor()).addOkListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { Object obj = goe.getValue(); String s = obj.getClass().getName(); if (obj instanceof weka.core.OptionHandler) { s += " " + Utils.joinOptions(((weka.core.OptionHandler) obj).getOptions()); } setEditState(s.trim()); } }); PropertyDialog dialog; if (PropertyDialog.getParentDialog(this) != null) { dialog = new PropertyDialog(PropertyDialog.getParentDialog(this), goe); } else { dialog = new PropertyDialog(PropertyDialog.getParentFrame(this), goe); } dialog.setModal(true); dialog.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }